The Disk Drive Unit, cataloged under National Stock Number 7025-01-356-6639, is classified within Federal Supply Class 7025 (Information Technology Input/output and Storage Devices) of the General Purpose ADP Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-356-6639 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Status | ACTIVE |
| Design Type | DISK CARTRIDGE |
| Drive Quantity | 1 |
| Drive Size | 5.25 |
| Head Type and Quantity | 1 READ/WRITE |
| Operating Temp Range | +5.0 TO 45.0 CELSIUS DEGC |
| Data Storage Capacity | 150.00 MEGABYTES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | YH |
| Weight | 2.0000 lbs |
| Cube | 0.5208 cu ft |
| Reference | Meaning |
|---|---|
| 723-11150-00 | 3/9 Design control — primary reference Concurrent Computer Corporation |
| PT-8 | 5/9 Secondary reference Concurrent Computer Corporation |
NSN 7025-01-356-6639 is a Disk Drive Unit, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
Key specifications for 7025-01-356-6639: Overall Height: 1.625 INCHES NOMINAL IN; Design Type: DISK CARTRIDGE; Drive Quantity: 1; Drive Size: 5.25. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 7025-01-356-6639 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.